Loading Software Updates

The control board is operated by an onboard Micro SD card loaded with HP software during the factory programming process or installation. The software can be reloaded from a plastic tipped USB flash drive. Perform a software reload by doing the following:

1. Begin with the control in -OFF- mode, and the filter pan in place.

2. Insert the USB flash drive in to the external USB port on the control board.

3. Press and hold the Main Menu button until *MAIN* displays.

4. Select 3. USB/DATA from the Main Menu. Additional menus display.

5. Select USB Menu page 2. Additional menus display.

6. Select 4. REFLASH SW. Additional menus display.

7. Select 1. Update. Files display.

8. Locate and select the .hpf file. Are You Sure displays.

9. Select Y.

10. Wait. The control saves a copy of the current software, erases program memory, flashes in new software, and then reboots back to -OFF-.

11. Remove the USB drive.